JPS6410121A - Origin signal detecting device - Google Patents
Origin signal detecting deviceInfo
- Publication number
- JPS6410121A JPS6410121A JP16661287A JP16661287A JPS6410121A JP S6410121 A JPS6410121 A JP S6410121A JP 16661287 A JP16661287 A JP 16661287A JP 16661287 A JP16661287 A JP 16661287A JP S6410121 A JPS6410121 A JP S6410121A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detecting elements
- origin
- signals
- amplitude
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
PURPOSE:To obtain an origin detection signal which has small variation caused by disturbance by forming a reluctance element of two detecting elements having >=2 current paths, and processing their output signals by addition and subtraction and performing waveform shaping. CONSTITUTION:When a recording medium 10 moves right, the origin recording signal 20 passes positions opposite detecting elements Ra, Rb, Rc, and Rd in this order. The signals Va and Vb are supplied to a differential amplifier 26 to calculate Va-Vb. Here, the mutual interval Da between the detecting element in each couple and the deviation Dc between the two couples of detecting elements have relation Da>Dc, and the difference between Da and Dc is set small, so the outputs Va and Vb of the detecting elements are nearly 180 deg. out of phase with each other. The amplitude of Va-Vd is double as large as the amplitudes of the signals Va and Vb. A signal of this Va-Vb is compared by a comparator 27 with a reference signal Vrfa to obtain an origin signal which is expanded double in amplitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16661287A JPS6410121A (en) | 1987-07-03 | 1987-07-03 | Origin signal detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16661287A JPS6410121A (en) | 1987-07-03 | 1987-07-03 | Origin signal detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6410121A true JPS6410121A (en) | 1989-01-13 |
Family
ID=15834536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16661287A Pending JPS6410121A (en) | 1987-07-03 | 1987-07-03 | Origin signal detecting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6410121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008532039A (en) * | 2005-03-02 | 2008-08-14 | テトラ ラバル ホールデイングス エ フイナンス ソシエテ アノニム | Position detector and method for detecting the position of packaging material by magnetic marking |
-
1987
- 1987-07-03 JP JP16661287A patent/JPS6410121A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008532039A (en) * | 2005-03-02 | 2008-08-14 | テトラ ラバル ホールデイングス エ フイナンス ソシエテ アノニム | Position detector and method for detecting the position of packaging material by magnetic marking |
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